J.H. Larson Company is a family owned independent distributor of Electrical, Plumbing, and HVAC products. In business since 1 ... 931, we are a Minnesota based company headquartered in Plymouth with 8 branch locations throughout Western Wisconsin, Minnesota and South Dakota to service you. Our customers are Contractors, Building Maintenance Companies, Commercial and End-Users. Our goal has been to provide our customers with exemplary service and quality Electrical, Plumbing, and HVAC, products. Support and service to our customers through our valued employees has been and always will be our number one priority. read more